Congrats are in order to Chelsea Clinton and her husband, Marc Mezvinsky—the couple have welcomed their first child! Chelsea announced the exciting news—and revealed her daughter's name—via Twitter: Marc and I are full of love, awe and gratitude as we celebrate the birth of our daughter, Charlotte Clinton Mezvinsky.— Chelsea Clinton (@ChelseaClinton) September 27, 2014 We're so happy for Chelsea and Marc—and sending congrats to Bill and Hillary Clinton on becoming grandparents! Update: Hillary tweeted out this lovely first picture of the new baby: .@BillClinton and I are over the moon to be grandparents! One of the happiest moments of our life. pic.twitter.com/Cww4r8C9Zt— Hillary Clinton (@HillaryClinton) September 27, 2014 So cute! What do you think of the name? Charlotte has an old-school charm that I love.